MERTENS, Piet. Polytonia: a system for the automatic transcription of tonal aspects in speech corpora. Journal of Speech Sciences, Campinas, SP, v. 4, n. 2, p. 17–57, 2021. DOI: 10.20396/joss.v4i2.15053. Disponível em: https://econtents.bc.unicamp.br/inpec/index.php/joss/article/view/15053. Acesso em: 25 apr. 2024.